na INLIS000000000001348 20131125091906.0 $a 979-511-744-01 $0010-111300000001284 $a 170 $a 3 $a 170. ber c c.1 $a K.Bertens $a Etika $a Ke-7 $a Jakarta $b PT. Gramedia Widiasarana Indonesia $c 2002 $a ARPUS Magetan $a 18.563-0 $a 18.563-0